154672420

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{3221}}^1$

素因数の和:3258

約数の個数: 60

約数和(自身を含む): 379042524

約数和(自身を除く): 224370104

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2401, 3221, 3430, 4802, 6442, 6860, 9604, 12005, 12884, 16105, 22547, 24010, 32210, 45094, 48020, 64420, 90188, 112735, 157829, 225470, 315658, 450940, 631316, 789145, 1104803, 1578290, 2209606, 3156580, 4419212, 5524015, 7733621, 11048030, 15467242, 22096060, 30934484, 38668105, 77336210, 154672420]

約数ペア:

[(1, 154672420), (2, 77336210), (4, 38668105), (5, 30934484), (7, 22096060), (10, 15467242), (14, 11048030), (20, 7733621), (28, 5524015), (35, 4419212), (49, 3156580), (70, 2209606), (98, 1578290), (140, 1104803), (196, 789145), (245, 631316), (343, 450940), (490, 315658), (686, 225470), (980, 157829), (1372, 112735), (1715, 90188), (2401, 64420), (3221, 48020), (3430, 45094), (4802, 32210), (6442, 24010), (6860, 22547), (9604, 16105), (12005, 12884)]